diff options
Diffstat (limited to 'drivers/video/omap2')
| -rw-r--r-- | drivers/video/omap2/displays-new/encoder-tfp410.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/drivers/video/omap2/displays-new/encoder-tfp410.c b/drivers/video/omap2/displays-new/encoder-tfp410.c index 4a291e756be9..b4e9a42a79e6 100644 --- a/drivers/video/omap2/displays-new/encoder-tfp410.c +++ b/drivers/video/omap2/displays-new/encoder-tfp410.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -82,7 +83,8 @@ static int tfp410_enable(struct omap_dss_device *dssdev) return 0; in->ops.dpi->set_timings(in, &ddata->timings); - in->ops.dpi->set_data_lines(in, ddata->data_lines); + if (ddata->data_lines) + in->ops.dpi->set_data_lines(in, ddata->data_lines); r = in->ops.dpi->enable(in); if (r) @@ -179,6 +181,33 @@ static int tfp410_probe_pdata(struct platform_device *pdev) return 0; } +static int tfp410_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + int gpio; + + gpio = of_get_named_gpio(node, "powerdown-gpios", 0); + + if (gpio_is_valid(gpio) || gpio == -ENOENT) { + ddata->pd_gpio = gpio; + } else { + dev_err(&pdev->dev, "failed to parse PD gpio\n"); + return gpio; + } + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + return 0; +} + static int tfp410_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -195,6 +224,10 @@ static int tfp410_probe(struct platform_device *pdev) r = tfp410_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = tfp410_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -251,12 +284,20 @@ static int __exit tfp410_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id tfp410_of_match[] = { + { .compatible = "omapdss,ti,tfp410", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, tfp410_of_match); + static struct platform_driver tfp410_driver = { .probe = tfp410_probe, .remove = __exit_p(tfp410_remove), .driver = { .name = "tfp410", .owner = THIS_MODULE, + .of_match_table = tfp410_of_match, }, }; |